this one is so inconclusive. They can't even say if it's best, pre or post training, some prefer sub q, others say in the muscle worked... One of those things you need to find your way with.
I wouldn't touch the shit.
Those who like, say it gives incredible vascularity while you use it, no gains or nothing really to be expected.
Then some say real IGF is not available and if so is ungodly expensive, so what is this stuff that sells for the price of a pair of jeans?
Hard to say...